Home / 15,925.69-21,971.33-10,259.99

Finding the Fourth Proportional to 15,925.69, 21,971.33 and 10,259.99

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Solution

The fourth proportional to 15,925.69, 21,971.33 and 10,259.99 is: 14,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.69 : 21,971.33 = 10,259.99 : x
  2. Step 2: Convert to fraction form
    15,925.69/21,971.33 = 10,259.99/x
  3. Step 3: Cross multiply
    15,925.69x = 21,971.33 × 10,259.99
  4. Step 4: Simplify right side
    15,925.69x = 225,425,574.79
  5. Step 5: Solve for x
    x = 225,425,574.79/15,925.69
  6. Step 6: Final answer
    x = 14,154.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.